To integrate fingerprint sensors with microcontrollers using Rust, you can utilize the embedded-hal crate for hardware abstraction. This crate provides traits for common hardware interfaces like SPI, I2C, and UART, which are typically used to communicate with fingerprint sensor modules. Check if there’s an existing Rust crate for your specific fingerprint sensor. If not, you may need to implement a custom driver based on the sensor’s datasheet using the embedded-hal traits.